require 'phantom_svg'

module Emojidex
  # compile svg files in a svg animation file
  class Preprocessor
    def compile_svg_animations(path)
      Dir.entries(path).each do |file|
        current_path = "#{path}/#{file}"
        next unless File.ftype(current_path) == 'directory'
        _svg_compile(current_path) unless file.start_with?('.')
      end
    end

    private

    def _svg_compile(source_dir)
      json_path = "#{source_dir}/animation.json"

      return unless File.exist?(json_path)

      phantom_svg = Phantom::SVG::Base.new(json_path)
      phantom_svg.save_svg("#{File.dirname(source_dir)}/#{File.basename(source_dir)}.svg")
    end
  end
end